478274154457 has 8 divisors (see below), whose sum is σ = 523130286240. Its totient is φ = 433647466560.

The previous prime is 478274154401. The next prime is 478274154473. The reversal of 478274154457 is 754451472874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 478274154457 - 2¹⁹ = 478273630169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478274157457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57356608 + ... + 57364945.

It is an arithmetic number, because the mean of its divisors is an integer number (65391285780).

Almost surely, 2^478274154457 is an apocalyptic number.

It is an amenable number.

478274154457 is a deficient number, since it is larger than the sum of its proper divisors (44856131783).

478274154457 is a wasteful number, since it uses less digits than its factorization.

478274154457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114721943.

The product of its digits is 35123200, while the sum is 58.

The spelling of 478274154457 in words is "four hundred seventy-eight billion, two hundred seventy-four million, one hundred fifty-four thousand, four hundred fifty-seven".